The watch is compatible with standard quick-release bands. Forerunner 255S series has 18 mm wide bands, and Forerunner 255 series has 22 mm wide bands.
Slide the quick-release pin on the spring bar to remove the band.
Insert one side of the spring bar for the new band into the watch.
Slide the quick-release pin, and align the spring bar with the opposite side of the watch.
Repeat steps 1 through 3 to change the other band.
